Image courtesy of European Space Agency
From the Union of Concerned Scientists Satellite Database and Pixalytics Blog
Terra launched in 1999, Aqua in 2002.
Flow diagram showing the MODIS Land and Atmosphere Products required to generate the gridded, composited vegetation indices. From the MOD13 Algorithm Theoretical Basis Document.
Most NASA EOS data distributed as HDF files, which are very similar to netCDF.
MODIS/Terra Surface Reflectance 8-Day L3 Global 500m SIN Grid V005
MODIS/Terra - Instrument/SensorSurface Reflectance - Geophysical Parameter8-Day - Temporal ResolutionL3 - Processing LevelGlobal - Global or Swath500m - Spatial ResolutionSIN Grid - Gridded or NotV005 - Collection VersionMOD09A1.A2006001.h08v05.005.2006012234657.hdf
MOD09A1 - Product Short Name.A2006001 - Julian Date of Acquisition (A-YYYYDDD).h08v05 - Tile Identifier (horizontalXXverticalYY).005 - Collection Version.2006012234567 - Julian Date of Production (YYYYDDDHHMMSS).hdf - Data Format (HDF-EOS)The Land Processes Distributed Active Archive Center has a nice “Data Discovery” Tool:
Subsets of MODIS Land Products through SOAP (Simple Object Access Protocol).
library(raster)
#library(rgdal)
#library(ggplot2)
#library(ggmap)
#library(dplyr)
#library(tidyr)
#library(maps)
# New Packages
library(MODISTools)
datadir="data"
GetProducts()
## [1] "MCD12Q1" "MCD12Q2" "MCD43A1"
## [4] "MCD43A2" "MCD43A4" "MOD09A1"
## [7] "MOD11A2" "MOD13Q1" "MOD15A2"
## [10] "MOD15A2GFS" "MOD16A2" "MOD17A2_51"
## [13] "MOD17A3" "MYD09A1" "MYD11A2"
## [16] "MYD13Q1" "MYD15A2"